11894086776421 has 8 divisors (see below), whose sum is σ = 12007271913560. Its totient is φ = 11780975549952.

The previous prime is 11894086776409. The next prime is 11894086776427. The reversal of 11894086776421 is 12467768049811.

11894086776421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1696532300100 + 10197554476321 = 1302510^2 + 3193361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11894086776421 - 2¹¹ = 11894086774373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894086776427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18154260 + ... + 18798013.

It is an arithmetic number, because the mean of its divisors is an integer number (1500908989195).

Almost surely, 2^{11894086776421} is an apocalyptic number.

It is an amenable number.

11894086776421 is a deficient number, since it is larger than the sum of its proper divisors (113185137139).

11894086776421 is a wasteful number, since it uses less digits than its factorization.

11894086776421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36955335.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 11894086776421 in words is "eleven trillion, eight hundred ninety-four billion, eighty-six million, seven hundred seventy-six thousand, four hundred twenty-one".